Pilot drill bit



FIG. 1 is a left side elevation view of the present design, pilot drillbit.

FIG. 2 is a rear end elevation view of the present design, pilot drillbit.

FIG. 3 is a rear left side perspective view of the present design, pilotdrill bit; and,

FIG. 4 is a front right side perspective view of the present design,pilot drill bit.

The broken lines in the drawings depict unclaimed subject matter.

CLAIM The ornamental design for a pilot drill bit, as shown anddescribed.